private static void VerifySignature(OpensignAbstractSignature signature)
{
if (!signature.Verify())
{
throw new ArgumentException("sign signature is not valid");
}
}
internal static void VerifyChallenge(OpensignAbstractSignature signature, string challenge)
{
var challengeProperty = signature.SignatureProperties["challenge"];
if (challengeProperty == null || challengeProperty.Value != challenge)
{
throw new ChallengeDoesNotMatchException("Challenge does not match expected value or expected value is null, expected=" + challenge + ", actual=" + (challengeProperty == null ? "null" : challengeProperty.Value));
}
}